A Regression Analysis of Students' College Grade Point Averages (GPAs)

Multiple Choice

A regression analysis of students' college grade point averages (GPAs) and their high school GPAs found R² = 0.311. Which of these is true?
I. High school GPA accounts for 31.1% of college GPA.
II. 31.1% of college GPAs can be correctly predicted with this model.
III. 31.1% of the variance in college GPA can be accounted for by the model.

A) I only
B) None
C) III only
D) I and II
E) II only